Home / 10,786,821.40-14,885,712.90-5,892,041.62

Finding the Fourth Proportional to 10,786,821.40, 14,885,712.90 and 5,892,041.62

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Solution

The fourth proportional to 10,786,821.40, 14,885,712.90 and 5,892,041.62 is: 8,130,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786,821.40 : 14,885,712.90 = 5,892,041.62 : x
  2. Step 2: Convert to fraction form
    10,786,821.40/14,885,712.90 = 5,892,041.62/x
  3. Step 3: Cross multiply
    10,786,821.40x = 14,885,712.90 × 5,892,041.62
  4. Step 4: Simplify right side
    10,786,821.40x = 87,707,239,950,170.91
  5. Step 5: Solve for x
    x = 87,707,239,950,170.91/10,786,821.40
  6. Step 6: Final answer
    x = 8,130,962.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.